#63D683
Closest named color: Aqua Green (#12E193). oklch(78.9% 0.158 150.4), rgb(99, 214, 131).
Aa
Black text reads best on this color (11.47:1).
About this color
#63D683 is a light, vivid green. In OKLCH its lightness is 79%, its chroma 0.158 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Green (#12E193), ΔE 0.038 away. Black text reads best on it, at 11.47:1.
| Hue family | Greens |
| Lightness | light (79%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Aqua Green (#12E193) |
| Black text | 11.47:1 |
| White text | 1.82:1 |
Values
| HEX | #63D683 |
| RGB | rgb(99, 214, 131) |
| HSL | hsl(137, 58%, 61%) |
| OKLCH | oklch(78.9% 0.158 150.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #63D683 | 1.82:1 | Fails | Lc -38.1 | Non-text elements, placeholder text |
| Black text on #63D683 | 11.47:1 | AAA | Lc 69.9 | Content text, not long reading |
| #63D683 text on white | 1.82:1 | Fails | Lc 34.0 | Non-text elements, placeholder text |
| #63D683 text on black | 11.47:1 | AAA | Lc -68.6 | Content text, not long reading |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.
-
Step 50
50
#ECFAEE
oklch(97.1% 0.022 149.7)
-
Step 100
100
#D5F3DA
oklch(93.6% 0.046 150.1)
-
Step 200
200
#AFEABB
oklch(88.4% 0.088 150.5)
-
Step 300
300 (this color)
#63D683
oklch(78.9% 0.158 150.4)
-
Step 400
400
#00C05B
oklch(70.6% 0.193 150.4)
-
Step 500
500
#00A54D
oklch(63.1% 0.172 150.4)
-
Step 600
600
#008B40
oklch(55.7% 0.152 150.4)
-
Step 700
700
#007535
oklch(49.2% 0.134 150.5)
-
Step 800
800
#00602A
oklch(42.8% 0.117 150.4)
-
Step 900
900
#005022
oklch(37.7% 0.103 150.5)
-
Step 950
950
#003012
oklch(27% 0.073 150.7)
#63D683 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #D7C67D | 0.132 |
| Deuteranopia (no green cones) | #C7BB88 | 0.130 |
| Tritanopia (no blue cones) | #48D3C1 | 0.086 |
| Achromatopsia (no color) | #BFBFBF | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63D683
#63D683
oklch(78.9% 0.158 150.4)
- #F292E9
#F292E9
oklch(78.8% 0.158 330.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #63D683, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Green #12E193 ΔE 0.038
- Seaweed #18D17B ΔE 0.042
- Emerald #06D6A0 ΔE 0.046
- Weird Green #3AE57F ΔE 0.047
- Soft Green #6FC276 ΔE 0.053
- Fresh Green #69D84F ΔE 0.055
- Medium Aquamarine #66CDAA ΔE 0.065
- Apple #6ECB3C ΔE 0.066
Use #63D683 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.